Differences between Western Cordilleras and Eastern Highlands:
| Western Cordilleras | Eastern Highlands |
|---|---|
| The Western Cordilleras consist of several mountain ranges running north to south like the Rocky Mountain Range, the Alaskan Range, the Cascade Range, Coastal Range and Sierra Nevada. | The Eastern Highlands include the Appalachian Range and the Labrador Plateau. |
| They are located along the western coast of North America. | They are located along the eastern coast of North America. |
| The Western Cordilleras are young fold mountains. | The Appalachian Range of the Eastern Highlands consists of the old fold mountains. |
| They are high and rugged as the Himalayas in our country. Many peaks exceed the height of 4,000 m above sea level. | They have been denuded over millions of years. The peaks in this range do not exceed 2,100 m in altitude. |